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Posted by on Monday, July 5, 2010 at 8:54am.

a right triangle has a hypotenuse of length 25 and a leg length of 15. what is the length of the other leg? if necessary, round you answer to two decimal places

  • geometry - , Monday, July 5, 2010 at 9:07am

    Let the leg lengths be a and b and the hypotentuse be c. a = 15 is the leg length that you know.

    Use the Pythagorean right-triangle equation

    b^2 = c^2 - a^2 = 625 - 225 = 400

    Solve for b.

    Rounding off will not be necesary in this case.

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